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Possible scenarios for the transition to thorium fuel cycle in molten salt reactor by using enriched uranium
Cui, DY; Li, XX; Xia, SP; Zhao, XC; Yu, CG; Chen, JG; Cai, XZ
2018
Source PublicationPROGRESS IN NUCLEAR ENERGY
ISSN0149-1970
Volume104Pages:75-84
Subtype期刊论文
AbstractMolten Salt Reactor (MSR) with Th-U-233 fuel cycle attracts more and more attention with its excellent performance such as desirable breeding capacity, low waste production and high inherent safety. Considering the fact that there is no available U-233 in the nature, it is necessary to analyze the fuel transition from enriched U-235/Th to U-233/Th and then give a flexible transition scenario for a graphite moderated MSR. By employing an in-house developed tool which is based on SCALE6.1, two scenarios, a Breeding and Burning (B&B) scenario and a Pre-breeding scenario, are studied. The evolution of the inventories of main nuclides, net 233U production and isothermal temperature coefficient are presented and discussed in the B&B scenario. It is found that the fuel transition can be achieved smoothly by using enriched uranium with greater than 40% concentration of U-235. The fuel transition can still be accomplished with 20% enriched uranium but takes a long double time of about 79 years. Meanwhile, we perform an analysis of the Pre-breeding scenario and conclude that it is efficient to produce U-233 and the double time ranges from 2.07 years for the 10-day reprocessing to 10.7 years for the 180-day reprocessing. A comparison of these two scenarios is conducted, which indicates that the B&B scenario is more favorable than the Pre-breeding scenario from the aspect of resource utilization efficiency. Finally, a combined three-stage program for developing Th-based MSRs is proposed. (C) 2017 Elsevier Ltd. All rights reserved.
KeywordBreeding Ratio Perspectives
DOI10.1016/j.pnucene.2017.09.003
Indexed BySCI
Language英语
WOS IDWOS:000424177700008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29105
Collection中科院上海应用物理研究所2011-2019年
Affiliation1.Cui, DY
2.Li, XX
3.Xia, SP
4.Zhao, XC
5.Yu, CG
6.Chen, JG
7.Cai, XZ
Recommended Citation
GB/T 7714
Cui, DY,Li, XX,Xia, SP,et al. Possible scenarios for the transition to thorium fuel cycle in molten salt reactor by using enriched uranium[J]. PROGRESS IN NUCLEAR ENERGY,2018,104:75-84.
APA Cui, DY.,Li, XX.,Xia, SP.,Zhao, XC.,Yu, CG.,...&Cai, XZ.(2018).Possible scenarios for the transition to thorium fuel cycle in molten salt reactor by using enriched uranium.PROGRESS IN NUCLEAR ENERGY,104,75-84.
MLA Cui, DY,et al."Possible scenarios for the transition to thorium fuel cycle in molten salt reactor by using enriched uranium".PROGRESS IN NUCLEAR ENERGY 104(2018):75-84.
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